Question

dobereiner classified chlorine, bromine and iodine as a set. if mass of bromine is 45 units more than that of chlorine mass of 35.5 units, then mass of iodine would be

Answer 1

Answer:

Cl, Y and I for Dobereiner's triad. Thus weight of Y is arrange of weight of Cl and I

∴ Atomic weight of Y is

235.5+127

=81.25